def test_file(self):
"""
``eliot-tree`` can read and render JSON messages from a file on the
command line.
"""
with NamedTemporaryFile() as f:
f.write(dump_json_bytes(message_task))
f.flush()
self.assertEqual(check_output(["eliot-tree", f.name]),
rendered_message_task)
def test_file(self):
"""
``eliot-tree`` can read and render JSON messages from a file on the
command line.
"""
f = NamedTemporaryFile()
f.write(dump_json_bytes(message_task))
f.flush()
self.assertEqual(check_output(["eliot-tree", f.name]),
rendered_message_task)
def test_stdin(self):
"""
``eliot-tree`` can read and render JSON messages from stdin when no
arguments are given.
"""
with NamedTemporaryFile() as f:
f.write(dump_json_bytes(message_task))
f.flush()
f.seek(0, 0)
self.assertEqual(check_output(["eliot-tree"], stdin=f.read()),
rendered_message_task)
def test_stdin(self):
"""
``eliot-tree`` can read and render JSON messages from stdin when no
arguments are given.
"""
f = NamedTemporaryFile()
f.write(dump_json_bytes(message_task))
f.flush()
f.seek(0, 0)
self.assertEqual(check_output(["eliot-tree"], stdin=f),
rendered_message_task)
def test_binary(self):
"""
Binary results are left as-is.
"""
def dump_binary(obj):
result = json.dumps(obj)
if isinstance(result, text_type):
return result.encode('utf-8')
return result
result = dump_json_bytes({'a': 42}, dumps=dump_binary)
self.assertThat(result, IsInstance(binary_type))
self.assertThat(result, Equals(b'{"a": 42}'))
def test_text(self):
"""
Text results are encoded as UTF-8.
"""
def dump_text(obj):
result = json.dumps(obj)
if isinstance(result, binary_type):
return result.decode('utf-8')
return result
result = dump_json_bytes({'a': 42}, dumps=dump_text)
self.assertThat(result, IsInstance(binary_type))
self.assertThat(result, Equals(b'{"a": 42}'))
def test_eliot_parse_error(self):
"""
``eliot-tree`` displays an error containing the original file name,
line number and offending task in the event that parsing the message
dict fails.
"""
with NamedTemporaryFile() as f:
f.write(dump_json_bytes(missing_uuid_task) + b'\n')
f.flush()
with self.assertRaises(CalledProcessError) as m:
check_output(['eliot-tree', f.name])
lines = m.exception.output.stderr.splitlines()
first_line = lines[0].decode('utf-8')
self.assertIn('Eliot message parse error', first_line)
self.assertIn(f.name, first_line)
self.assertIn('line 1', first_line)
def test_json_parse_error(self):
"""
``eliot-tree`` displays an error containing the file name, line number
and offending line in the event that JSON parsing fails.
"""
with NamedTemporaryFile() as f:
f.write(dump_json_bytes(message_task) + b'\n')
f.write(b'totally not valid JSON {')
f.flush()
with self.assertRaises(CalledProcessError) as m:
check_output(['eliot-tree', '--color=never', f.name])
lines = m.exception.output.stderr.splitlines()
first_line = lines[0].decode('utf-8')
second_line = lines[1].decode('utf-8')
self.assertIn('JSON parse error', first_line)
self.assertIn(f.name, first_line)
self.assertIn('line 2', first_line)
self.assertEqual('totally not valid JSON {', second_line)
def test_binary(self):
"""
Binary results are left as-is.
"""
def dump_binary(obj):
result = json.dumps(obj)
if isinstance(result, text_type):
return result.encode('utf-8')
return result
result = dump_json_bytes(
{'a': 42}, dumps=dump_binary)
self.assertThat(
result,
IsInstance(binary_type))
self.assertThat(
result,
Equals(b'{"a": 42}'))
def test_text(self):
"""
Text results are encoded as UTF-8.
"""
def dump_text(obj):
result = json.dumps(obj)
if isinstance(result, binary_type):
return result.decode('utf-8')
return result
result = dump_json_bytes(
{'a': 42}, dumps=dump_text)
self.assertThat(
result,
IsInstance(binary_type))
self.assertThat(
result,
Equals(b'{"a": 42}'))